fn get_f32() -> f32 {
  return 1.0;
}

fn f() {
  var v2 : vec2<f32> = vec2<f32>(get_f32());
  var v3 : vec3<f32> = vec3<f32>(get_f32());
  var v4 : vec4<f32> = vec4<f32>(get_f32());
}
